1. Male and female subjects 21 through 70 years of age

2. Type 2 diabetes duration more than 6 months and less than 10 years

3. 7.8% < HbA1c < 10.5% if T2DM duration less than or equal to 5 years

4. 7.8% < HbA1c < 10.0% if T2DM duration more than 5 years

5. BMI < 40 kg/m2

6. Taking at least one oral anti-diabetic medication

7. Patients treated with GLP-1 receptor agonist with at least one oral anti-diabetic medication may be included under the following conditions:

a. The HbA1c, before GLP-1 receptor agonist therapy was administered, was:

8. Women with childbearing potential (i.e., not post-menopausal or surgically sterilized) must agree to use adequate birth control methods

9. If subject is taking lipid-lowering medication, the treatment must be stable for at least one month prior to enrollment

10. If subject is taking anti-hypertensive medication, the treatment must be stable for at least one month prior to enrollment

11. If subject is taking anti-depressant medication, the treatment must be stable for at least one month prior to enrollment

12. Willingness to refrain from using prescription, over the counter, or herbal weight loss products for the duration of the trial

13. Ability and willingness to perform required study and data collection procedures and adhere to operating requirements of the TANTALUS® System

14. Alert, mentally competent, and able to understand and willing to comply with the requirements of the clinical trial, and personally motivated to abide by the requirements and restrictions of the clinical trial

15. Able to provide voluntary informed consent

1. Insulin therapy within the last 3 months 2. GLP-1 receptor agonist therapy longer than 3 months 3. Diagnosed with renal dysfunction or history of renal dysfunction 4. Taking medications known to affect gastric motility 5. Use of prescription, over the counter or herbal weight loss products or obesity drugs during the past two months 6. Experiencing severe and progressing diabetic complications (7. Prior wound healing problems 8. Diagnosed with past or current psychiatric condition that may impair his or her ability to comply with the study procedures 9. Use of anti-psychotic medications 10. Diagnosed with eating disorder such as bulimia or binge eating 11. Obesity due to an endocrinopathy 12. Hiatal hernia requiring surgical repair or a paraesophageal hernia 13. Pregnant or lactating 14. Diagnosed with impaired liver function 15. Any prior bariatric surgery 16. Any history of pancreatitis 17. Any history of peptic ulcer disease within 5 years of enrollment 18. Diagnosed with Gastroparesis or other GI motility disorder 19. Use of active medical devices (either implantable or external) such as ICD, drug infusion device, or neurostimulator (either implanted or worn). Subjects using an external active device who are able and willing to avoid use of the device during the study may be enrolled.

20. Cardiac history that physician feels should exclude the subject from the study.

21. Use of another investigational device or agent in the 30 days prior to enrollment 22. A history of life-threatening disease within 5 years of enrollment 23. Any additional condition(s) that in the Investigator's opinion would warrant exclusion from the study or prevent the subject from completing the study